JP7307162B2 - pipe support - Google Patents

Description

TECHNICAL FIELD The present invention relates to a piping support that is attached to a structure such as a building and supports piping.

Structures such as buildings (As defined in “Fundamentals of Civil Engineering and Architectural Design” (Ministry of Land, Infrastructure, For example, Patent Document 1 and Patent Document 2 disclose a pipe support as a pipe support that is attached to a pipe and supports a pipe.

The pipe support (pipe suspension band) described in Patent Document 1 includes a tanbuckle, a first attachment portion (hanging piece) attached to the tanbuckle, and a peripheral surface of the pipe provided below the first attachment portion. A first support member (band piece for temporarily placing pipes) having a first support portion (curved piece) that supports the A second support member (a band piece for suppressing the pipe) having a second support portion (curved piece) that is provided below the pipe and supports the peripheral surface of the pipe, a tan buckle, a first mounting portion and a second The first supporting member and the second The second support member has a large-diameter portion that forms an arc portion having a larger diameter than the inner diameters of the curved first support portion and the second support portion, and prevents the possibility of sliding when the bolt and nut are tightened. As a result, the working efficiency of the piping work can be ensured as high as possible, and the piping can be stably and reliably fitted and held.

In addition, the pipe support described in Patent Document 2 includes a tumble buckle, a first mounting portion (supporting piece portion) attached to the tumble buckle, and provided below the first mounting portion to support the peripheral surface of the pipe. A first support member (band portion) having a first support portion (pipe holding portion) that holds the A second support member (band portion) having a second support portion (pipe holding portion) that supports the peripheral surface of the pipe, a tanbuckle, a first mounting portion, and a second mounting portion, respectively A bolt is inserted through the insertion hole (bolt hole) and tightens the turnbuckle, the first mounting portion and the second mounting portion together with the nut, and an assembly mechanism is provided at the end of the first support member Alternatively, an opening/closing member having one end connected by a hinge mechanism is attached, and the second supporting member is provided with a latching mechanism for latching the other end of the opening/closing member, and the first supporting member and the second supporting member However, by arranging an elastic member on at least one of the first mounting portion and the second mounting portion, the turnbuckle is attached to the turnbuckle in a pressed state, so that the loosening and tightening work of the bolt and nut is extremely small. Or it is not necessary at all, and the operability at the time of pipe holding installation is enhanced.

JP 2011-214648 A JP 2004-245306 A

By the way, in the pipe support described in Patent Document 1, a worker temporarily places the pipe on the first support member (a band piece for temporarily placing the pipe) during pipe work, but at that time, the second support member ( By rotating the band piece for holding down the pipe) around the axis of the bolt and pressing it with one hand, a gap is secured between the first support member and the second support member, and then the gap is passed through There was room for improvement in workability because the pipe had to be temporarily placed with the other hand.

Further, in the piping support described in Patent Document 2, the operator does not need to keep holding down the opening/closing member during piping work, but the piping must be fitted by expanding the first supporting member and the second supporting member. (See FIG. 3 of the same patent document), workability is not necessarily good when supporting one pipe with a plurality of pipe supports, and an elastic member is arranged at the first mounting portion or the second mounting portion. There is a problem that the configuration provided leads to an increase in the number of parts and the number of assembly man-hours, which is not preferable.

The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a pipe support that has a simple structure and is easy to work with.

In order to solve the above-mentioned problems, a pipe support according to the present invention includes a base attached to a structure, a tanbuckle having a pair of opposing pieces extending downward from the base, and a pair of opposing pieces. A first support having a first mounting part attached to the first opposing piece and a first support part provided below the first mounting part and supporting a part of the peripheral surface of the pipe A member, a second mounting portion attached to the second opposing piece of the pair of opposing pieces, and a second mounting portion provided below the second attaching portion to support the other part of the peripheral surface of the pipe, a second support member having a second support portion that engages with the first support portion; the first opposing piece, the second opposing piece, the first attachment portion, and the second attachment; The first opposing piece, the second opposing piece, the first mounting portion, and the second a fastening member for fastening the mounting portion, wherein the first opposing piece and the second opposing piece are elastically deformable with respect to the base; A retaining portion is provided for retaining the nut so that elastic deformation of the first opposing piece and the second opposing piece is maintained even when the nut is loosened.

According to this piping support, the first opposing piece and the second opposing piece are elastically deformable with respect to the base portion, and the bolt or the nut has the nut attached to the bolt. Since the retaining portion for retaining the nut is provided so that the elastic deformation of the first opposing piece and the second opposing piece is maintained even when loosened, the nut is prevented from coming off during piping work. At the same time, an elastic force is applied from the first opposing piece to the first supporting member and from the second opposing piece to the second supporting member, and the operator moves the first supporting member and the second supporting member. However, such wobble is suppressed, and workability of piping work can be improved with a simple configuration.

Further, the first support portion and the second support portion are provided with an engaging pawl and an engaged portion that engage with each other. The engaged portion may be strongly engaged, thereby suppressing loosening of the engagement between the first support portion and the second support portion. At this time, the second support portion has a guide portion that guides the engagement of the engaging claw with the engaged portion in order to facilitate the engagement work with the first support portion. It is desirable to have

According to the piping support of the present invention, it is possible to improve the workability of piping work with a simple configuration.

It is a perspective view which shows the piping support which concerns on the form for implementing invention. FIG. 2 is a side view showing the piping support of FIG. 1; Fig. 2 is a front view showing a turnbuckle of the piping support of Fig. 1; FIG. 2 is a perspective view showing one band piece of the pipe support of FIG. 1; 1. It is a perspective view which shows another band piece of the piping support tool of FIG. 1. It is a front view which shows the state which opened another band piece at the time of piping work about the piping support tool of FIG. FIG. 7 is a front view showing a state in which a pipe is temporarily placed on the support portion of one band piece of the pipe support of FIG. 6 ; FIG. 8 is a front view of the piping support of FIG. 7 showing another band piece closed; FIG. 9 is a front view showing a state in which one band piece and another band piece are engaged with each other, and the hanging portion and the fastening portion of the turnbuckle are fastened with a fastening member in the piping support of FIG. 8 ; FIG. 10 is a front view showing a state in which the hanging portion of one band piece has a large vertical dimension and the tanbuckle is tilted in the piping support of FIG. 9 ;

A mode for carrying out the present invention will be described based on the drawings.

As shown in FIGS. 1 and 2, a pipe hanging fitting 10 according to the present embodiment is used for hanging pipes P for facilities of a building, and has a top end fixed to a ceiling slab or the like of a building. A tanbuckle 20 attached to the bolt B, a band piece 30 and a band piece 40 attached to the tanbuckle 20, and a fastening member 50 for fastening (fastening) the tanbuckle 20, the band piece 30 and the band piece 40, The fastening member 50 is composed of a bolt 60 and a nut 70 .

The turnbuckle 20 is formed by pressing a strip-shaped steel plate, and has a rectangular base 21 in plan view, and a pair of fastening pieces 22 and 23 extending downward from the base 21 and elastically deformable with respect to the base 21. and An insertion hole 21a into which a rotation nut 24 to be screwed onto the hanging bolt B is inserted is formed in the central portion of the base portion 21 . A flange portion 24a (see FIGS. 6 to 9) having a diameter larger than that of the insertion hole 21a is formed at the lower portion of the rotary nut 24. When the rotary nut 24 is screwed onto the suspension bolt B, the flange portion 24a is pushed into the base portion 21. The periphery of the insertion hole 21a is supported from below, and the base 21 is attached to the structure via the hanging bolt B. As shown in FIG.

As shown in FIG. 3, the fastening piece 22 extends downward from the left edge of the base 21 (left edge of the base 21 in FIG. 3) so as to be substantially perpendicular to the base 21. a portion 22a, a second internode portion 22b extending obliquely from the lower edge of the first internode portion 22a toward the fastening piece 23, and further downward from the lower edge of the second internode portion 22b. It has an overlapping portion 22c that extends and overlaps with the band piece 30. As shown in FIG.

The fastening piece 23 includes a first internode portion 23a extending downward from the right edge of the base portion 21 (right edge portion of the base portion 21 in FIG. 3) so as to be substantially perpendicular to the base portion 21; A second internode portion 23b that extends obliquely from the lower edge of the internode portion 23a toward the fastening piece 22, and a band piece 40 that extends further downward from the lower edge of the second internode portion 23b. and an overlapping portion 23c.

The first internode portion 22a and the first internode portion 23a are formed with a retaining portion 22d and a retaining portion 23d standing below the rotating nut 24 so that the rotating nut 24 does not fall out of the insertion hole 21a. A round hole 22e and a round hole 23e through which the shaft portion 61 of the bolt 60 is inserted are formed in the portion 22c and the overlapping portion 23c.

The band piece 30 is formed by pressing a strip-shaped steel plate, and as shown in FIG. , and a support portion 32 that supports a portion of the peripheral surface of the pipe P including the lower end portion Pa.

The hanging portion 31 has a substantially rectangular flat plate shape with a height h. The hanging portion 31 has a round hole 31a through which the shaft portion 61 of the bolt 60 is inserted, and a pair of round holes 31a that protrude outward. Protrusions 31b, 31b are formed. The pair of projecting portions 31b, 31b restrict the rotation (coherence) of the head portion 62 of the bolt 60 when the nut 70 is screwed onto the shaft portion 61 of the bolt 60. As shown in FIG.

The support portion 32 is provided between a curved portion 32a curved in an arc having a diameter that is the same or substantially the same as the outer diameter of the pipe P, and the suspension portion 31 and the curved portion 32a, and has a larger diameter than the curved portion 32a. It has an enlarged diameter portion 32b curved in an arc shape, and an engaging claw 32c provided at the tip of the curved portion 32a and curved like a hook toward the outside of the arc.

The band piece 40 is formed by pressing a strip-shaped steel plate, and as shown in FIG. and a support portion 42 that supports the other portion of the peripheral surface of P.

The hanging portion 41 has a contact piece 43 that contacts the fastening piece 23 in a state where the hanging portion 41 is fastened together with the fastening pieces 22 and 23 and the hanging portion 31 as described later, and the contact piece 43 An angled piece 44 is provided extending upwardly from the top and away from the fastening piece 23 . The abutting piece 43 has a substantially rectangular flat plate shape with a height h, similar to the hanging portion 31, and a long hole 41a through which the shaft portion 61 of the bolt 60 is inserted from the abutting piece 43 to the inclined piece 44. is formed.

The support portion 42 is provided between the curved portion 42a curved in an arc having the same or substantially the same diameter as the outer diameter of the pipe P, and the suspension portion 41 and the curved portion 42a, and has a larger diameter than the curved portion 42a. It has an enlarged diameter portion 42b curved in an arc shape, and a bent portion 42d provided at the tip of the curved portion 42a and formed with a hole 42c to be engaged with the engaging claw 32c. A tapered surface 42e that guides the engagement of the engaging claw 32c with the engaged hole 42c is provided inside the bent portion 42d and on the distal end side of the engaged hole 42c.

The bolt 60 has a shaft portion 61 having a screw formed around it, which extends through the round hole 31 a of the hanging portion 31 , the round hole 22 e of the fastening piece 22 , the round hole 23 e of the fastening piece 23 , and the long hole 41 a of the hanging portion 41 . They are inserted in this order, and the head 62 comes into contact with the suspending portion 31 . The nut 70 is screwed onto a portion of the shaft portion 61 protruding from the long hole 41a. A shaft portion 61 of the bolt 60 is provided with a retaining portion 61a having an irregularly machined threaded surface so as to retain the nut 70. Even if the nut 70 is loosened to the retaining portion 61a, the head 62 and the nut 70 are not removed. applies a force toward the inner side of the tanbuckle 20 to the fastening pieces 22 and 23 via the hanging portions 31 and 41 so that the elastic deformation of the fastening pieces 22 and 23 with respect to the base portion 21 is maintained. It's becoming By tightening the nut 70 against the elastic force of the fastening pieces 22 and 23, the hanging portion 31, the fastening piece 22, the fastening piece 23 and the hanging portion 41 are fastened.

When performing piping work using the piping support 10, first, as shown in FIG. The band piece 40 is kept open with respect to the band piece 30 by lifting the band piece 40 so as to move upward and bringing the inclined piece 44 into contact with the fastening piece 23 instead of the contact piece 43 . At this time, an urging force due to the elasticity of the fastening piece 23 (rightward urging force in FIG. 6) acts on the hanging portion 41, so that the operator pulls down the band piece 40 to move the shaft portion 61 to the contact piece 43. 6 to rotate the band piece 40 in the direction of arrow A in FIG. It is moved relatively upward in the formed long hole 41a.

Next, as shown in FIG. 7, the operator inserts the pipe P into the inside of the pipe support 10 from between the band piece 30 and the band piece 40, and cuts a portion of the peripheral surface including the lower end Pa. The pipe P is temporarily placed by being supported by the curved portion 32 a of the support portion 32 .

Subsequently, as shown in FIG. 8, the operator closes the band piece 40 by rotating it in the direction of the arrow B so as to follow a trajectory opposite to when it was opened, and as shown in FIG. While guiding the tapered surface 42e, the hook 32c is hooked on the engaged hole 42c to engage the engaging claw 32c with the engaged hole 42c, and the nut 70 is tightened. As the tightening of the nut 70 against the bolt 60 is increased, a force in the direction of arrow C acts on the band piece 40, so that the engaging claw 32c and the engaged hole 42c are strongly engaged.

According to the piping support 10 according to the present embodiment, the fastening pieces 22 and 23 are elastically deformable with respect to the base 21, and the bolts 60 retain the fastening pieces even when the nuts 70 are loosened. 22 and the fastening piece 23 are provided with the retaining portion 61a for retaining the nut 70 so that the elastic deformation of the fastening piece 23 is maintained. An elastic force is applied to the band piece 30 from the fastening piece 23 to the band piece 40, and even if the operator moves the band piece 30 and the band piece 40, the wobble of these pieces is suppressed, and the piping work can be performed with a simple structure. Workability can be improved.

Further, the band piece 30 and the band piece 40 are provided with an engaging claw 32c and an engaged hole 42c that engage with each other. Since 42c is strongly engaged, loosening of the engagement between the band piece 30 and the band piece 40 can be suppressed.

Although the embodiments for carrying out the present invention have been exemplified above, the embodiments of the present invention are not limited to those described above, and may be modified as appropriate without departing from the scope of the invention.

For example, in the above embodiment, the band piece 30 is provided with the engaging claw 32c, and the band piece 40 is provided with the engaged hole 42c. Needless to say, the band piece 40 may be provided with a hole to be engaged, and the band piece 40 may be provided with an engaging claw.

Further, in the above-described embodiment, the shaft portion 61 of the bolt 60 is provided with the retaining portion 61a, but such a retaining portion may be provided on the nut instead of the bolt.

10 piping support 20 tanbuckle 21 base 22 fastening piece (first opposing piece)
22e round hole (insertion hole)
23 fastening piece (second opposing piece)
23e round hole (insertion hole)
30 band piece (first support member)
31 hanging part (first mounting part)
31a round hole (insertion hole)
32 support (first support)
32c engagement claw 40 band piece (second support member)
41 hanging part (second mounting part)
41a long hole (insertion hole)
42 support (second support)
42c engaged hole (engaged portion)
42e tapered surface (guide)
50 Fastening member 60 Bolt 61a Retaining portion 70 Nut P Piping

Claims (3)

a tanbuckle having a base attached to a structure and a pair of opposing pieces extending downwardly from the base;
A first attachment portion attached to the first opposing piece of the pair of opposing pieces, and a first support portion provided below the first attachment portion and supporting a part of the peripheral surface of the pipe a first support member having
A second attachment portion attached to the second opposing piece of the pair of opposing pieces, and a second attachment portion provided below the second attachment portion to support the other part of the peripheral surface of the pipe, and the first a second support member having a second support that engages the support of
The first opposing piece, the second opposing piece, the first mounting portion and the second mounting portion are formed of bolts that are inserted through holes respectively formed, and nuts that are screwed onto the bolts. , a fastening member that fastens the first opposing piece, the second opposing piece, the first mounting portion, and the second mounting portion,
The first opposing piece and the second opposing piece are elastically deformable with respect to the base,
The bolt or the nut has a retaining portion that retains the nut so that the elastic deformation of the first opposing piece and the second opposing piece is maintained even when the nut is loosened from the bolt. A pipe support, comprising: The first support portion and the second support portion are provided with engaging claws and engaged portions that engage with each other. 2. The piping support according to claim 1, wherein the engaging portion is strongly engaged. 3. The piping support according to claim 2, wherein the second support portion is provided with a guide portion for guiding engagement of the engaging claw with the engaged portion.

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